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Showing posts with label 4 Ω. Show all posts
Showing posts with label 4 Ω. Show all posts

8/13/2014

20W power amplifier TDA8931

General description

The TDA8931 is a switching power stage for high efficiency class-D audio power amplifier systems. It contains a Single-Ended (SE) power stage, drive logic, protection control logic, a full differential input comparator and a HVP charger to charge the SE capacitor. With this amplifier a compact 1 × 20 W closed loop self-oscillating digital amplifier system can be built. The TDA8931 has a high efficiency so that a heat sink is not required up to 20 W (RMS). The system operates on an asymmetrical and a symmetrical supply voltage.

Features

  • High efficiency
  • Operating voltage asymmetrical from 12 V to 35 V
  • Operating voltage symmetrical from ±6 V to ±17.5 V
  • Thermally protected
  • No heat sink required
  • Charger for single-ended capacitor
  • No pop sound


Applications

  • Flat panel television sets
  • Flat panel monitors
  • Multimedia systems
  • Wireless speakers
  • Micro systems
Circuit Diagram
20W power amplifier TDA8931 circuit diagram

2 x 80 W class-D audio amplifier

Circuit diagram:
 2 x 80 W class-D audio amplifier circuit diagram

2 x 50 W class-D audio amplifier

TDA8926J circuit diagram for  2 x 50 W class-D audio amplifier

4 x 50 Watt power amplifier and multiple voltage regulator

FEATURES
  • I2C-bus control
  • Can drive a 2 Ω load with a battery voltage of up to 16 V and a 4 Ω load with a battery voltage of up to 18 V
  • DC load detection, open, short and present
  • AC load (tweeter) detection
  • Programmable clip detect; 1 % or 4 %
  • Programmable thermal protection pre-warning
  • Independent short-circuit protection per channel
  • Low gain line driver mode (20 dB)
  • Loss-of-ground and open VP safe
  • All outputs protected from short-circuit to ground, to VP or across the load
  • All pins protected from short-circuit to ground
  • Soft thermal-clipping to prevent audio holes
  • Low battery detection.
  • Voltage regulators


PROTECTION

  • If connection to the battery voltage is reversed, all regulator voltages will be zero
  • Able to withstand voltages at the output of up to 18 V (supply line may be short-circuited)
  • Thermal protection to avoid thermal breakdown
  • Load-dump protection
  • Regulator outputs protected from DC short-circuit to ground or to supply voltage
  • All regulators protected by foldback current limiting
  • Power switches protected from loss-of-ground.

APPLICATIONS

  • Boost amplifier and voltage regulator for car radios and CD/MD players.


GENERAL DESCRIPTION

Amplifiers The TDA8588 has a complementary quad audio power amplifier that uses BCDMOS technology. It contains four amplifiers configured in Bridge Tied Load (BTL) to drive speakers for front and rear left and right channels. The I2C-bus allows diagnostic information of each amplifier and its speaker to be read separately. Both front and both rear channel amplifiers can be configured independently in line driver mode with a gain of 20 dB (differential output).

Voltage regulators

  • The TDA8588 has a multiple output voltage regulator with two power switches. The voltage regulator contains the following:
  • Four switchable regulators and one permanently active regulator (microcontroller supply)
  • Two power switches with loss-of-ground protection
  • A reset output that can be used to communicate with a microcontroller.
  • The quiescent current has a very low level of 150 µA with only regulator 2 active.
Circuit Diagram:
Application circuit 4 x 50 Watt power amplifier and multiple voltage regulator


Bottom of printed-circuit board layout of test and application circuit showing components viewed from
bottom

Bottom of printed-circuit board layout of test and application circuit showing copper layer viewed from top

Top of printed-circuit board layout of test and application circuit showing components viewed from top

Bottom of printed-circuit board layout of test and application circuit showing copper layer viewed from top

4 x 6W Power amplifier with load detection and auto BTL/SE selection

Circuit Diagram:
Power amplifier with load detection and auto BTL/SE selection

Multi-purpose high-gain power amplifier

Features


  • High gain
  • Operating voltage from 8 to 28 V
  • Low distortion
  • Few external components, fixed gain
  • High output power
  • Can be used as a stereo amplifier in bridge-tied load (BTL) or quad single-ended (SE) amplifiers
  • Single-ended mode without loudspeaker capacitor
  • Mute and standby mode with one- or two-pin operation
  • Diagnostic information for Dynamic Distortion Detector (DDD), high temperature (145 °C) and short-circuit
  • No switch on/off plops when switching between ‘standby’ to ‘mute’ and from ‘mute’ to ‘on’
  • Low offset variation at outputs between ‘mute’ and ‘on’
  • Fast mute on supply voltage drops.
  • Reverse polarity safe (with protection diode added)
  • Short-circuit proof to ground, positive supply voltage on all pins and across load
  • ESD protected on all pins
  • Thermal protection against temperatures exceeding 150 °C
  • Load dump protection
  • Protected against open-circuit ground pins and output short-circuited to supply ground.

General Description

The TDA8581 is a stereo bridge-tied load (BTL) or a quad single-ended amplifier that operates over a wide supply voltage range from 8 to 28 V. This makes it suitable for many applications, such as car radios, television and home-sound systems. Because of an internal voltage buffer, this device can be used without a capacitor connected in series with the load (SE application). A combined BTL and 2 × SE application can also be configured.

Circuit Diagram
Multi-purpose high-gain power amplifier




8/12/2014

TDA8580 Multi-purpose power amplifier 4 x 20 W

FEATURES

  • Operating voltage from 8 to 28 V
  • Low distortion
  • Few external components, fixed gain
  • High output power
  • Can be used as a stereo amplifier in bridge-tied load (BTL) or quad single-ended (SE) amplifiers
  • Single-ended mode without loudspeaker capacitor
  • Mute and standby mode with one- or two-pin operation
  • Diagnostic information for Dynamic Distortion Detector (DDD), high temperature (145 °C) and short-circuit
  • No switch on/off plops when switching between‘standby’ to ‘mute’ and from ‘mute’ to ‘on’
  • Low offset variation at outputs between ‘mute’ and ‘on’
  • Fast mute on supply voltage drops.

Protection

  • Reverse polarity safe
  • Short-circuit proof to ground, positive supply voltage on all pins and across load
  • ESD protected on all pins
  • Thermal protection against temperatures exceeding 150 °C
  • Load dump protection
  • Protected against open-circuit ground pins and output short-circuited to supply ground.

GENERAL DESCRIPTION
The TDA8580 is a stereo bridge-tied load (BTL) or a quad single-ended amplifier that operates over a wide supply voltage range from 8 to 28 V. This makes it suitable formany applications, such as car radios, television and home-sound systems. Because of an internal voltage buffer, this device can be used without a capacitor connected in series with the load (SE application). A combined BTL and 2 × SE application can also be configured.

Circuit Diagram
Stereo bridge-tied load application

Quad single-ended application

Dual single-ended and one bridge-tied load application

4 × 40 W BTL quad car radio power amplifier

FEATURES:

Requires very few external components
High output power
Low output offset voltage
Fixed gain
Diagnostic facility (distortion, short-circuit and temperature pre-warning)
Good ripple rejection
Mode select switch (operating, mute and standby)
Load dump protection
Short-circuit safe to ground and to VP and across the load
Low power dissipation in any short-circuit condition
Thermally protected
Reverse polarity safe
Electrostatic discharge protection
No switch-on/switch-off plop
Flexible leads
Low thermal resistance
Pin compatible with the TDA8568Q, except for the gain.

GENERAL DESCRIPTION:

The TDA8571J is a integrated class-B output amplifier contained in a 23-lead Single-In-Line (SIL) plastic power package. It contains four amplifiers in a BTL configuration, each with a gain of 34 dB. The output power is 4 × 40 W (EIAJ) into a 4 Ω load.

APPLICATIONS:

Primarily developed for car radio applications

Circuit Diagram:
4 × 40 W BTL quad car radio power amplifier


4 x 12 W power amplifier with dynamic distortion detector and diagnostic interface

FEATURES
Requires very few external components
High output power
Fixed gain
Diagnostic facility (distortion, short-circuit and temperature detection)
Good ripple rejection
Mode select switch (operating, mute and stand-by)
Load dump protection
AC and DC short-circuit safe to ground and to VP
Low power dissipation in any short-circuit condition
Thermally protected
Reverse polarity safe
Electrostatic discharge protection
No switch-on/switch-off plop
Flexible leads
Low thermal resistance
Identical inputs.

 GENERAL DESCRIPTION

 The TDA8562Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) power package. It contains 4 × 12 W single-ended amplifiers.

 Circuit Diagram
4 x 12 W power amplifier with dynamic distortion detector and diagnostic interface

2 × 24 W BTL or 4 × 12 W single-ended car radio power amplifier TDA8561Q

FEATURES:
  • Requires very few external components
  • High output power
  • Flexibility in use; Quad single-ended or stereo BTL
  • Low output offset voltage
  • Fixed gain
  • Diagnostic facility (distortion, short-circuit and temperature detection)
  • Good ripple rejection
  • Mode select switch (operating, mute and standby)
  • Load dump protection
  • AC and DC short-circuit safe to ground and to VP
  • Low power dissipation in any short-circuit condition
  • Thermally protected
  • Reverse polarity safe
  • Electrostatic discharge protection
  • No switch-on/switch-off plop
  • Flexible leads
  • Low thermal resistance
  • Identical inputs (inverting and non-inverting).


GENERAL DESCRIPTION

The TDA8561Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) power package. It contains 4 × 12 W Single-Ended (SE) or 2 × 24 W Bridge-Tied Load (BTL) amplifiers. The device is primarily developed for car radio applications.

Circuit Diagram:
Circuit diagram for 2 × 24 W single-ended car radio power amplifier

Circuit diagram for 4 × 12 W single-ended car radio power amplifier

8/11/2014

4 x 13 W single-ended power amplifiers

FEATURES

Requires very few external components
High output power
Fixed gain
Diagnostic facility (distortion, short-circuit and temperature detection)
Good ripple rejection
Mode select switch (operating, mute and standby)
AC and DC short-circuit safe to ground and to VP
Low power dissipation in any short-circuit condition
Thermally protected
Reverse polarity safe
Electrostatic discharge protection
No switch-on/switch-off plop
Flexible leads
Low thermal resistance
Identical inputs.

GENERAL DESCRIPTION

The TDA8511J is an integrated class-B output amplifier in a 17-lead DIL-bent-SIL power package. It contains 4 × 13 W single-ended amplifiers.


Circuit Diagram:
4 x 13 W single-ended power amplifiers

4 x 50 W MOSFET quad bridge power amplifier

Features

  • High output power capability:
  • 4 x 50 W/4  max.
  • 4 x 30 W/4  @ 14.4 V, 1 kHz, 10 %
  • 4 x 80 W/2  max.
  • 4 x 55 W/2  @ 14.4V, 1 kHz, 10 %
  • MOSFET output power stage
  • Excellent 2  driving capability
  • Hi-Fi class distortion
  • Low output noise
  • ST-BY function
  • Mute function
  • Automute at min. supply voltage detection
  • Low external component count:
  • Internally fixed gain (26 dB)
  • No external compensation
  • No bootstrap capacitors
  • On board 0.35 A high side driver
  • Output short circuit to gnd, to Vs, across the load
  • Very inductive loads
  • Overrating chip temperature with soft thermal limiter
  • Output DC offset detection
  • Load dump voltage
  • Fortuitous open gnd
  • Reversed battery
Circuit Diagram
4 x 50 W MOSFET quad bridge power amplifier

4 x 50 W TDA7567

Features:

Multipower BCD technology
MOSFET output power stage
DMOS power output
Differential Input
New high efficiency (class SB)
High output power capability 4x28 W/4  @ 
14.4 V, 1 kHz, 10% THD, 4x50 W MAX power 
Max. output power 4x72 W/2 
Full I2C bus driving:
Independent front/rear soft play/mute
Selectable gain 26 dB /16 dB (for low noise line output function)
High efficiency enable/disable
I2C bus digital diagnostics (including DC and AC load detection)
Operates both in I2C and non-I2C bus mode
Two selectable I2C bus addresses
Full fault protection
DC offset detection
Four independent short circuit protection
Clipping detector pin with selectable threshold (2 %/10 %)
Standby/mute pin
Linear thermal shutdown with multiple thermal warning
ESD protection

Description:

The TDA7567PD is a new BCD technology quad bridge power amplifier in PowerSO36 package specially intended for automotive applications.Thanks to the DMOS output stage the TDA7567PD has a very low distortion allowing a clear powerful sound. Among the features, its superior efficiency performance coming from the internal exclusive structure, makes it the most suitable device to simplify the thermal management in high power sets. The dissipated output power under average listening condition is in fact reduced up to 50 % when compared to the level provided by conventional class AB solutions. This device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus.The I2C bus can be disabled and the device can be controlled by standby/mute pin.

Circuit Diagram
4 x 50 W TDA7567

TDA7566 - 4 x 40 W multifunction quad power amplifier

Features

  • DMOS power output
  • High output power capability 4 x 25 W/4  @ 
  • 14.4 V, 1 kHz, 10 % THD, 4 x 40 W max. power
  • Max. output power 4 x 60 W/2 
  • Full I2C bus driving:
  • Standby
  • Independent front/rear soft play/mute
  • Selectable gain 26 dB - 12 dB
  • I2C bus digital diagnostics
  • Full fault protection
  • DC offset detection
  • Four independent short circuit protection
  • Clipping detector pin with selectable threshold (1%, 10%)
  • ESD protection

Description

The TDA7566 is a new BCD technology quad bridge type of car radio amplifier in Flexiwatt25  package specially intended for car radio applications. Thanks to the DMOS output stage the TDA7566 has a very low distortion allowing a clear powerful sound. This device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus.The possibility to control the configuration and behavior of the device by means of the I2C bus makes TDA7566 a very flexible product.

 Circuit Diagram:
TDA7566 - 4 x 40 W multifunction quad power amplifier

4x60W HIGH OUTPUT POWER CAPABILITY TDA7565

Circuit Diagram:
 4x60W  HIGH OUTPUT POWER CAPABILITY TDA7565

4 x 50W quad power amplifier TDA7564B

Features:

■ Multipower BCD technology
■ MOSFET output power stage
■ DMOS power output
■ New high efficiency (class SB)
■ High output power capability 4x28 W/4  @ 
14.4 V, 1 kHz, 10 % THD, 4x50 W max, power 
■ Max. output power 4x72 W/2 
■ Full I2C bus driving:
– Standby
– Independent front/rear soft play/mute
– Selectable gain (for low noise line output 
function)
– High efficiency enable/disable
– I2C bus digital diagnostics (including AC 
and DC load detection)
■ Full fault protection
■ DC offset detection
■ Four independent short circuit protection
■ Clipping detector (2 %/10 %)
■ Linear thermal shutdown with multiple thermal 
warning
■ ESD protection

Description:

The TDA7564B is a new BCD technology quad bridge type of car radio amplifier in Flexiwatt25 / PowerSO36 package specially intended for car radio applications. Thanks to the DMOS output stage the TDA7564B has a very low distortion allowing a clear powerful sound. Among the features, its superior efficiency performance coming from the internal exclusive structure, makes it the most suitable device to simplify the thermal management in high power sets. The dissipated output power under average listening condition is in fact reduced up to 50% when compared to the level provided by conventional class AB solutions. This device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus.

Circuit Diagram:
4 x 50W quad power amplifier TDA7564B

4 x 50 W multifunction quad power amplifier with built-in diagnostics feature

Features:

■ Multipower BCD technology
■ MOSFET output power stage
■ DMOS power output
■ New high efficiency (class SB)
■ High output power capability 4 x 28 W / 4  @ 
14.4 V, 1 kHz, 10 % THD, 4 x 50 W max power 
■ Max. output power 4 x 72 W / 2 
■ Full I2C bus driving:
– Standby
– Independent front/rear soft play/mute
– Selectable gain 30 dB / 16 dB (for low noise 
line output function)
– High efficiency enable/disable
– I2C bus digital diagnostics (including DC 
and AC load detection)
■ Full fault protection
■ DC offset detection
■ Four independent short circuit protection
■ Clipping detector pin with selectable threshold 
(2 % / 10 %)
■ Standby/mute pin
■ Linear thermal shutdown with multiple thermal 
warning
■ ESD protection

Description:

The TDA7563B is a new BCD technology quad bridge type of car radio amplifier in Flexiwatt27 & PowerSO36 packages specially intended for car radio applications. Thanks to the DMOS output stage the TDA7563B has a very low distortion allowing a clear powerful sound. Among the features, its superior efficiency performance coming from the internal exclusive structure, makes it the most suitable device to simplify the thermal management in high power sets. The dissipated output power under average listening condition is in fact reduced up to 50 % when compared to the level provided by conventional class AB solutions.
This device is equipped with a full diagnostics array that communicates the status of each  speaker through the I2C bus.

Circuit Diagram:
4 x 50 W multifunction quad power amplifier  with built-in diagnostics feature

4 x 70 W Power Amplifier TDA7563

Features:
DMOS POWER OUTPUT
■ NON-SWITCHING HI-EFFICIENCY
■ HIGH OUTPUT POWER CAPABILITY 4x28W/
4Ω @ 14.4V, 1KHZ, 10% THD, 4x40W EIAJ
■ MAX. OUTPUT POWER 4x72W/2Ω
■ FULL I2C BUS DRIVING:
– ST-BY
– INDEPENDENT FRONT/REAR SOFT PLAY/
MUTE
– SELECTABLE GAIN 30dB
– 16dB (FOR LOW NOISE LINE OUTPUT
FUNCTION)
– HIGH EFFICIENCY ENABLE/DISABLE
– I2C BUS DIGITAL DIAGNOSTICS
■ FULL FAULT PROTECTION
■ DC OFFSET DETECTION
■ FOUR INDEPENDENT SHORT CIRCUIT
PROTECTION
■ CLIPPING DETECTOR PIN WITH
SELECTABLE THRESHOLD (2%/10%)
■ ST-BY/MUTE PIN
■ LINEAR THERMAL SHUTDOWN
■ ESD PROTECTION

Circuit Diagram:
Circuit diagram 4 x 70 W Power Amplifier TDA7563

MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES TDA7562

Features:

  • DMOS POWER OUTPUT
  • HIGH OUTPUT POWER CAPABILITY 4x25W/
  • 4 @ 14.4V, 1KHZ, 10% THD, 4x35W EIAJ
  • MAX. OUTPUT POWER 4x60W/2
  • FULL I2C BUS DRIVING:
  • ST-BY
  • INDEPENDENT FRONT/REAR SOFT PLAY/MUTE
  • SELECTABLE GAIN 30dB - 16dB (FOR
  • LOW NOISE LINE OUTPUT FUNCTION)
  • I2C BUS DIGITAL DIAGNOSTICS
  • FULL FAULT PROTECTION
  • DC OFFSET DETECTION
  • FOUR INDEPENDENT SHORT CIRCUIT PROTECTION
  • CLIPPING DETECTOR PIN WITH 
  • SELECTABLE THRESHOLD (2%/10%)
  • ST-BY/MUTE PIN
  • ESD PROTECTION
Circuit Diagram:
MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

Multifunction quad power amplifier with built-in diagnostics features

Features:

Multipower BCD technology
DMOS power output
High output power capability 4 x 25 W / 4  @ 
14.4 V, 1 kHz, 10 % THD, 4 x 35 W EIAJ
Max. output power 4 x 60 W / 2 
Full I2C bus driving:
Standby
Independent front/rear soft play/mute
Selectable gain 26 dB - 12 dB (for low noise line output function)
I2C bus digital diagnostics
Full fault protection
DC offset detection
Four independent short circuit protection
Clipping detector
ESD protection

Description:

The TDA7561 is a BCD technology quad bridge type of car radio amplifier in Flexiwatt25 package specially intended for car radio applications. Thanks to the DMOS output stage the TDA7561  has a very low distortion allowing a clear powerful  sound. This device is equipped with a full diagnostics array that communicates the status of each  speaker through the I2C bus.The possibility to control the configuration and behaviour of the  device by means of the I2C bus makes TDA7561 a very flexible machine.

Circuit Diagram:
Multifunction quad power amplifier with built-in diagnostics features

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200W Audio Amplifier Circuit

Circuit description: Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. Wi...

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